Summary of Significant Accounting Policies (Tables)
|
12 Months Ended |
Dec. 31, 2020 |
Accounting Policies [Abstract] |
|
Schedule of Disaggregation of Revenue |
In the following table, revenue
is disaggregated by primary geographical market, major product line, and timing of revenue recognition.
In thousands of US dollars ($) |
|
Year Ended
December 31, |
|
Primary geographical markets |
|
2020 |
|
|
2019 |
|
North America |
|
|
844 |
|
|
|
1,111 |
|
Europe |
|
|
88 |
|
|
|
145 |
|
Asia |
|
|
289 |
|
|
|
554 |
|
|
|
|
1,221 |
|
|
|
1,810 |
|
|
|
Year Ended
December 31, |
|
Major products/services lines |
|
2020 |
|
|
2019 |
|
Hardware |
|
|
568 |
|
|
|
713 |
|
Consumables |
|
|
205 |
|
|
|
298 |
|
Contract research services |
|
|
193 |
|
|
|
543 |
|
Sample preparation accessories |
|
|
116 |
|
|
|
82 |
|
Technical support/extended service contracts |
|
|
96 |
|
|
|
116 |
|
Shipping and handling |
|
|
29 |
|
|
|
41 |
|
Other |
|
|
14 |
|
|
|
17 |
|
|
|
|
1,221 |
|
|
|
1,810 |
|
|
|
Year Ended
December 31, |
|
Timing of revenue recognition |
|
2020 |
|
|
2019 |
|
Transferred at a point in time |
|
|
978 |
|
|
|
1,228 |
|
Transferred over time |
|
|
243 |
|
|
|
582 |
|
|
|
|
1,221 |
|
|
|
1,810 |
|
|
Schedule of Contract Balances |
Contract balances
In thousands of US dollars ($) |
|
December 31, 2020 |
|
|
December 31, 2019 |
|
Receivables, which are included in ‘Accounts Receivable’ |
|
|
131 |
|
|
|
229 |
|
Contract liabilities (deferred revenue) |
|
|
67 |
|
|
|
41 |
|
|
Schedule of Future Related to Performance Obligations |
The following table includes
estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied)
at the end of the reporting period.
In thousands of US dollars ($) |
|
2021 |
|
|
2022 |
|
|
Total |
|
Extended warranty service |
|
|
47 |
|
|
|
20 |
|
|
|
67 |
|
|
Schedule of Inventories |
The composition of inventory
as of December 31, is as follows:
|
|
2020 |
|
|
2019 |
|
Raw materials |
|
$ |
217,682 |
|
|
$ |
167,189 |
|
Finished goods |
|
|
717,581 |
|
|
|
793,023 |
|
Inventory reserve |
|
|
(342,496 |
) |
|
|
(342,496 |
) |
Total |
|
$ |
592,767 |
|
|
$ |
617,716 |
|
|
Schedule of Customer Concentration Risk Percentage |
The following table illustrates
the level of concentration of the below two groups within revenue as a percentage of total revenues during the years ended December 31:
|
|
2020 |
|
|
2019 |
|
Top Five Customers |
|
|
33 |
% |
|
|
41 |
% |
Federal Agencies |
|
|
4 |
% |
|
|
12 |
% |
The following table illustrates
the level of concentration of the below two groups within accounts receivable as a percentage of total accounts receivable balance as
of December 31:
|
|
2020 |
|
|
2019 |
|
Top Five Customers |
|
|
89 |
% |
|
|
83 |
% |
Federal Agencies |
|
|
10 |
% |
|
|
17 |
% |
|
Schedule of Computation of Loss Per Share |
The following table illustrates
our computation of loss per share for the years ended December 31:
|
|
2020 |
|
|
2019 |
|
Numerator: |
|
|
|
|
|
|
Net loss attributable to common shareholders |
|
$ |
(17,584,710 |
) |
|
$ |
(15,868,083 |
) |
|
|
|
|
|
|
|
|
|
Denominator for basic and diluted loss per share: |
|
|
|
|
|
|
|
|
Weighted average common shares outstanding |
|
|
3,304,187 |
|
|
|
1,987,606 |
|
|
|
|
|
|
|
|
|
|
Loss per common share - basic and diluted |
|
$ |
(5.32) |
|
|
$ |
(7.98 |
) |
|
Schedule of Anti-dilutive Securities Excluded from Computation of Earnings Per Share |
For all periods presented, the
potentially dilutive securities were not included in the computation of diluted loss per share because these securities would have been
anti-dilutive for the years ended December 31:
|
|
2020 |
|
|
2019 |
|
Stock options |
|
|
1,355,901 |
|
|
|
1,396,302 |
|
Convertible debt |
|
|
4,474,868 |
|
|
|
2,351,493 |
|
Common stock warrants |
|
|
14,434,702 |
|
|
|
9,893,034 |
|
Convertible preferred stock: |
|
|
|
|
|
|
|
|
Series D Convertible Preferred |
|
|
25,000 |
|
|
|
25,000 |
|
Series G Convertible Preferred |
|
|
26,857 |
|
|
|
26,857 |
|
Series H Convertible Preferred |
|
|
33,334 |
|
|
|
33,334 |
|
Series H2 Convertible Preferred |
|
|
70,000 |
|
|
|
70,000 |
|
Series J Convertible Preferred |
|
|
115,267 |
|
|
|
115,267 |
|
Series K Convertible Preferred |
|
|
229,334 |
|
|
|
229,334 |
|
Series AA Convertible Preferred |
|
|
8,043,000 |
|
|
|
7,939,000 |
|
|
|
|
28,808,263 |
|
|
|
22,079,621 |
|
|
Summary of Assumptions for Grants of Stock Options |
The following table summarizes
the assumptions we utilized for grants of stock options to the three sub-groups of our stock option recipients during the year ended December
31, 2019 (there were no option grants in the year ended December 31, 2020):
Assumptions |
|
Non-Employee
Board Members |
|
|
|
CEO, other
Officers and Employees |
|
Expected life |
|
|
6.0(yrs |
) |
|
|
6.0(yrs |
) |
Expected volatility |
|
|
150.07 |
% |
|
|
150.07%-157.28 |
% |
Risk-free interest rate |
|
|
1.73 |
% |
|
|
1.73%-1.79 |
% |
Forfeiture rate |
|
|
5.00 |
% |
|
|
5.00 |
% |
Expected dividend yield |
|
|
0.0 |
% |
|
|
0.0 |
% |
|
Schedule of Stock Based Compensation Expense |
The following table summarizes
the effect of this stock-based compensation expense within each of the line items within our accompanying consolidated statements of operations
for the years ended December 31:
|
|
2020 |
|
|
2019 |
|
Research and development |
|
$ |
141,202 |
|
|
$ |
171,928 |
|
Selling and marketing |
|
|
34,142 |
|
|
|
86,319 |
|
General and administrative |
|
|
313,448 |
|
|
|
859,030 |
|
Total stock-based compensation expense |
|
$ |
488,792 |
|
|
$ |
1,117,277 |
|
|
Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis |
The following tables set forth the Company’s
financial assets and liabilities that were accounted for at fair value on a recurring basis as of December 31, 2020:
|
|
|
|
|
Fair value measurements at
December 31, 2020 using:
|
|
|
|
December 31, 2020 |
|
|
Quoted
prices in
active
markets
(Level 1)
|
|
|
Significant
other
observable
inputs
(Level 2)
|
|
|
Significant
unobservable
inputs
(Level 3)
|
|
Equity Securities |
|
$ |
517,001 |
|
|
$ |
517,001 |
|
|
|
- |
|
|
|
- |
|
Total Financial Assets |
|
$ |
517,001 |
|
|
$ |
517,001 |
|
|
$ |
- |
|
|
$ |
- |
|
The following tables set forth
the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis as of December 31, 2019:
|
|
|
|
|
Fair value measurements at
December 31, 2019 using:
|
|
|
|
December 31, 2019 |
|
|
Quoted
prices in
active
markets
(Level 1)
|
|
|
Significant
other
observable
inputs
(Level 2)
|
|
|
Significant
unobservable
inputs
(Level 3)
|
|
Equity Securities |
|
|
16,643 |
|
|
|
16,643 |
|
|
|
- |
|
|
|
- |
|
Total Financial Assets |
|
$ |
16,643 |
|
|
$ |
16,643 |
|
|
$ |
- |
|
|
$ |
- |
|
|